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Table 2 Frequency of GI Symptom Severity Found across all Participants (n = 956)

From: Classification of gastrointestinal symptom patterns in young adults

GI Symptom Severity (Rating) Belly Pain Constipation Diarrhea Gas/Bloating Nausea/Vomiting Reflux/Heartburn
Within Normal Limits (1) 750 (78.5%) 845 (88.4%) 870 (91%) 608 (63.6%) 699 (73.1%) 891 (93.2%)
Mild (2) 99 (10.4%) 77 (8.1%) 53 (5.5%) 247 (25.8%) 142 (14.9%) 49 (5.1%)
Moderate (3) 91 (9.5%) 34 (3.6%) 32 (3.3%) 99 (10.4%) 105 (11%) 15 (1.6%)
Severe (4) 16 (1.7%) 1 (0.1%) 2 (0.2%) 10 (1%) 1 (0.1%)
Presenting with Symptoms 206 (21.6%) 111 (11.7%) 86 (8.9%) 348 (36.4%) 257 (26.9%) 65 (6.8%)
  1. Note. Levels of severity were interpreted using the threshold range guidelines developed by the NIH to be used with their PROMIS measures. Within Normal Limits = T-scores < 55; Mild = T-Scores between 55 and 60; Moderate = T-Scores between 60 and 70; Severe = T-scores > 70. There was no endorsement for severe constipation within the sample